(19)

(11)

EP 0 530 365 A1

(12)

(43) Date of publication: 10.03.1993 Bulletin 1993/10 (21) Application number: 92903722.0 (22) Date of filing: 28.01.1992

(51) International Patent Classification (IPC):  C12N 5/ 10( . ) C12N 15/ 09( . ) C12N 15/ 67( . ) C12N 9/ 64( . ) C12N 15/ 57( . ) C12P 21/ 02( . ) (86) International application number: PCT/JP1992/000070 (87) International publication number: WO 1992/013079 (06.08.1992 Gazette 1992/21)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 29.01.1991 JP 19910026739 (71) Applicant: TEIJIN LIMITED Osaka-shi, Osaka 541 (JP)	(72) Inventors: SUZUKI, Masahiko Hino-shi Tokyo 191 (JP) WAKABAYASHI, Kenji Hino-shi Tokyo 191 (JP) TAKAZAWA, Yoshiharu Hino-shi Tokyo 191 (JP) SUMI, Yoshihiko Hino-shi Tokyo 191 (JP) (74) Representative: Votier, Sidney David  CARPMAELS & RANSFORD 43, Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)